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Sourdough, MT · Sweet Grass County
Right Now
Clear
Water
65°
Wind
6 mph
S
Gusts
16 mph
Pressure
29.53
falling
Forecast - Sat, Jun 6
High / Low
81° / 52°
Wind
8 mph
gusts 24 mph
Precip
32%
UV
7
Sunrise
11:29 AM
Sunset
3:07 AM
Today Read
Lower Glaston LakeWind read
Calm
8 mph avg
Water read
65°
Warm-water bite
Air range
52° / 81°
today
Precip
32%
watch timing
Today's forecast for Lower Glaston Lake has calm wind, 52F to 81F air temperatures, 32% chance of precipitation, and 65F water.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Active temps make wind edges, shallow cover, and feeding windows more important. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.
Uses this lake data
Trip read from the AI planner
Green lightFishing Forecast
Last quarter
Major
11:33 AM - 2:03 PM
Minor
6:33 AM - 8:03 AM
Detailed temperature readings across your lake.
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Fish Species
5Water Temperature History
Current
69°
Jun 14
Low
33°
Nov 16
Average
53°
Last 12 Months
Warmest avg: July (71°F)
Coolest avg: November (34°F)
Rapid warming: April → May (+13°F)
Sharpest cooling: September → October (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
12am - 11pm
Peak Wind
14 mph
6pm
Peak Gust
24 mph
highest gust
Pressure
29.51 inHg
steady
Visibility
36 mi
8% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5Last quarter
Water at 65°F -- warm-water species active.
Fish Species
5Nearby Lakes
FAQ
Lower Glaston Lake covers 514.00 acres (0.80 square miles)
Lower Glaston Lake is located in Sourdough, Sweet Grass County, MT. It is accessible to the public for outdoor activities.